Hardware Spec Index

Kyndral GX-4255 Pro 12GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4255-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index15,845 (Graphics Cards scale)
Category rank#24,112
Street price$269
Power165 W (TGP)
Performance per dollar58.90
Released2021

Specifications

BrandKyndral
ModelKyndral GX-4255 Pro
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units5,248
Boost clock2,455 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)165 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 228 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4255 Pro 12GB GDDR6 Graphics Card”, https://vextor7.com/item/85643184 (accessed 2026-10-19).